| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=instcombine,lower-constant-intrinsics -S < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare i64 @llvm.objectsize.i64.p0(ptr, i1 immarg, i1 immarg, i1 immarg) |
| |
| |
| define dso_local i64 @check_store_load(i1 %cond) local_unnamed_addr { |
| ; CHECK-LABEL: @check_store_load( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[PTR01:%.*]] = alloca [10 x i8], align 1 |
| ; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: br label [[RETURN:%.*]] |
| ; CHECK: if.end: |
| ; CHECK-NEXT: [[PTR12:%.*]] = alloca [12 x i8], align 1 |
| ; CHECK-NEXT: br label [[RETURN]] |
| ; CHECK: return: |
| ; CHECK-NEXT: [[STOREMERGE:%.*]] = phi ptr [ [[PTR12]], [[IF_END]] ], [ [[PTR01]], [[IF_THEN]] ] |
| ; CHECK-NEXT: ret i64 12 |
| ; |
| entry: |
| %holder = alloca ptr |
| %ptr0 = alloca i8, i64 10 |
| br i1 %cond, label %if.then, label %if.end |
| |
| if.then: |
| store ptr %ptr0, ptr %holder |
| br label %return |
| |
| if.end: |
| %ptr1 = alloca i8, i64 12 |
| store ptr %ptr1, ptr %holder |
| br label %return |
| |
| return: |
| %held = load ptr, ptr %holder |
| %objsize = call i64 @llvm.objectsize.i64.p0(ptr %held, i1 false, i1 true, i1 false) |
| ret i64 %objsize |
| |
| } |
